Volume 9 Issue 4
Jul.  2019
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Article Navigation >  Journal of Environmental Engineering Technology  > 2019  >  9(4): 349-354
LI Liang, CAO Xinran, PANG Yan, XU Qiujin, HU Xiaozhen, GUAN Heqing. Evaluation of rural domestic wastewater treatment technologies in Lake Erhai Basin[J]. Journal of Environmental Engineering Technology, 2019, 9(4): 349-354. doi: 10.12153/j.issn.1674-991X.2019.01.060
Citation: LI Liang, CAO Xinran, PANG Yan, XU Qiujin, HU Xiaozhen, GUAN Heqing. Evaluation of rural domestic wastewater treatment technologies in Lake Erhai Basin[J]. Journal of Environmental Engineering Technology, 2019, 9(4): 349-354. doi: 10.12153/j.issn.1674-991X.2019.01.060
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Evaluation of rural domestic wastewater treatment technologies in Lake Erhai Basin

doi: 10.12153/j.issn.1674-991X.2019.01.060

  • 1. Beijing Research Institute of Chemical Engineering and Metallurgy, China National Nuclear Corporation,Beijing 101149, China

  • 2. Chinese Research Academy of Environmental Sciences, Beijing 100012, China

  • 3. Chinese Academy for Environmental Planning, Beijing 100012, China

More Information
  • Corresponding author: XU Qiujin E-mail: xuqj@craes.org.cn; HU Xiaozhen E-mail: huxz@craes.org.cn
  • Received Date: 2018-09-10
  • Publish Date: 2019-07-20
    Abstract
  • The evaluation of water pollution treatment technologies is of great significance to understand the current situation and level of technologies. According to the technical characteristics of rural domestic wastewater treatment in Lake Erhai Basin, a fully quantified technical evaluation index system was established, including 8 indicators in economic benefit, environmental benefit and technical level. Based on expert consultation and analytic hierarchy process, the calculation method of technical benefit evaluation was put forward, and five rural domestic wastewater treatment technologies in Lake Erhai Basin were evaluated, including a whole set of wastewater treatment technology from perimeter of the lake bay, the anaerobic pond and surface flow wetland technology, the FMBR technology for mixed wastewater of living and farming, the integrated technology of living and farming wastewater treatment, the integrated technology of anaerobic pond and soil treatment tank. The results showed that the comprehensive benefit (A) score of the five technologies was 6.11-8.19. The integrated technology of anaerobic pond and soil treatment tank, and the integrated technology of living and farming wastewater treatment were excellent, and the other three technologies were good. As the technologies are applied according to the results of the technology evaluation, the appropriate technologies should be selected according to the results of the itemized evaluation of technical and economic benefits and environmental benefits.

     

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